DE4012251C1 - - Google Patents

Info

Publication number
DE4012251C1
DE4012251C1 DE19904012251 DE4012251A DE4012251C1 DE 4012251 C1 DE4012251 C1 DE 4012251C1 DE 19904012251 DE19904012251 DE 19904012251 DE 4012251 A DE4012251 A DE 4012251A DE 4012251 C1 DE4012251 C1 DE 4012251C1
Authority
DE
Germany
Prior art keywords
valve
level control
control valve
leading
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE19904012251
Other languages
German (de)
English (en)
Inventor
Jercy 6904 Eppelheim De Sulzyc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haldex Brake Products GmbH
Original Assignee
Grau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grau GmbH filed Critical Grau GmbH
Priority to DE19904012251 priority Critical patent/DE4012251C1/de
Priority to US07/684,026 priority patent/US5176404A/en
Application granted granted Critical
Publication of DE4012251C1 publication Critical patent/DE4012251C1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052—Pneumatic spring characteristics
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • B60G17/0526—Distributor units, e.g. for retractable wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/152—Pneumatic spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2544—Supply and exhaust type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
DE19904012251 1990-04-14 1990-04-14 Expired - Fee Related DE4012251C1 (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19904012251 DE4012251C1 (es) 1990-04-14 1990-04-14
US07/684,026 US5176404A (en) 1990-04-14 1991-04-11 Level control valve for automatically keeping constant the vehicle height of a commercial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904012251 DE4012251C1 (es) 1990-04-14 1990-04-14

Publications (1)

Publication Number Publication Date
DE4012251C1 true DE4012251C1 (es) 1991-07-11

Family

ID=6404528

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904012251 Expired - Fee Related DE4012251C1 (es) 1990-04-14 1990-04-14

Country Status (2)

Country Link
US (1) US5176404A (es)
DE (1) DE4012251C1 (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329432C1 (de) * 1993-09-01 1995-04-06 Grau Gmbh Niveauregelventil zum selbsttätigen Konstanthalten der Höhe des Fahrzeugaufbaus eines Nutzfahrzeuges
DE4416280C1 (de) * 1994-05-07 1995-05-11 Grau Gmbh Niveauregelventil zum selbsttätigen Konstanthalten der Fahrzeughöhe eines Nutzfahrzeuges mit Luftfederung
DE19845925C1 (de) * 1998-10-06 2000-01-05 Haldex Brake Prod Gmbh & Co Kg Steueranlage für ein luftgefedertes Fahrzeug mit Niveauregelung
DE102009005229C5 (de) * 2009-01-20 2019-09-12 Haldex Brake Products Aktiebolag Luftfederanlage mit Höhenbegrenzung
CN113696691A (zh) * 2021-08-23 2021-11-26 岚图汽车科技有限公司 空气悬架系统和车辆

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115593A1 (de) * 1991-05-14 1992-11-19 Bosch Gmbh Robert Niveauregeleinrichtung fuer fahrzeuge
DE19504296C1 (de) * 1995-02-09 1996-06-27 Grau Gmbh Luftfederventil mit Feineinstellung
DE19724747C1 (de) * 1997-06-12 1998-06-25 Continental Ag Niveauregeleinrichtung für Fahrzeuge mit Luftfedern
DE19745195C2 (de) * 1997-10-13 2000-11-02 Continental Ag Niveauregeleinrichtung für Fahrzeuge mit Luftfedern
JP5501669B2 (ja) * 2009-06-18 2014-05-28 カヤバ工業株式会社 レベリングバルブ
EP3848211B1 (en) * 2020-01-08 2024-05-08 ZF CV Systems Europe BV Suspension control valve arrangement for a pneumatic suspension system of a commercial vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445579C1 (de) * 1984-12-14 1986-06-12 Graubremse Gmbh, 6900 Heidelberg Steueranlage zum Heben und Senken des Fahrzeugaufbaus von luftgefederten Fahrzeugen
DE3716436C2 (es) * 1987-05-16 1989-02-23 Graubremse Gmbh, 6900 Heidelberg, De

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166633B (de) * 1959-03-11 1964-03-26 Daimler Benz Ag Vorrichtung zur selbsttaetigen Regelung der Hoehenlage von Wagenkaesten fuer Kraftwagen
DE2630511C2 (de) * 1976-07-07 1985-09-19 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Reifendruckregelanlage
DE3013305C2 (de) * 1980-04-05 1983-01-27 Graubremse Gmbh, 6900 Heidelberg Niveauregelventil zum selbsttätigen Konstanthalten der Fahrgestellhöhe eines Fahrzeuges
DE3542975A1 (de) * 1985-12-05 1987-06-11 Wabco Westinghouse Fahrzeug Niveauregeleinrichtung fuer fahrzeuge mit luftfedern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445579C1 (de) * 1984-12-14 1986-06-12 Graubremse Gmbh, 6900 Heidelberg Steueranlage zum Heben und Senken des Fahrzeugaufbaus von luftgefederten Fahrzeugen
DE3716436C2 (es) * 1987-05-16 1989-02-23 Graubremse Gmbh, 6900 Heidelberg, De

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329432C1 (de) * 1993-09-01 1995-04-06 Grau Gmbh Niveauregelventil zum selbsttätigen Konstanthalten der Höhe des Fahrzeugaufbaus eines Nutzfahrzeuges
DE4416280C1 (de) * 1994-05-07 1995-05-11 Grau Gmbh Niveauregelventil zum selbsttätigen Konstanthalten der Fahrzeughöhe eines Nutzfahrzeuges mit Luftfederung
DE19845925C1 (de) * 1998-10-06 2000-01-05 Haldex Brake Prod Gmbh & Co Kg Steueranlage für ein luftgefedertes Fahrzeug mit Niveauregelung
DE102009005229C5 (de) * 2009-01-20 2019-09-12 Haldex Brake Products Aktiebolag Luftfederanlage mit Höhenbegrenzung
CN113696691A (zh) * 2021-08-23 2021-11-26 岚图汽车科技有限公司 空气悬架系统和车辆
CN113696691B (zh) * 2021-08-23 2024-01-09 岚图汽车科技有限公司 空气悬架系统和车辆

Also Published As

Publication number Publication date
US5176404A (en) 1993-01-05

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HALDEX BRAKE PRODUCTS GMBH & CO. KG, 69123 HEIDELB

8327 Change in the person/name/address of the patent owner

Owner name: HALDEX BRAKE PRODUCTS GMBH, 69123 HEIDELBERG, DE

8339 Ceased/non-payment of the annual fee